Ellis, C.J. & YAHR, R. (2011) An interdisciplinary review of climate change trends and uncertainties: lichen biodiversity, arctic-alpine ecosystems and habitat loss. In: Hodkinson, T.R., Jones, M.B., Waldren, S. & Parnell, J.A.N. (eds) Climate Change, Ecology and Systematics: 457-489. Cambridge University Press, Cambridge.
Ellis, C.J., YAHR, R. & Coppins, B.J. (2011) Archaeobotanical evidence for a massive loss of epiphyte species richness during industrialisation in southern England. Proceedings of the Royal Society B, 278: 3482-3489.
Kelly, L.J., Hollingsworth, P.M., Coppins, B.J., Ellis, C.J., Harrold, P., Tosh, J. & YAHR, R. (2011) DNA barcoding of lichenized fungi demonstrates high identification success in a floristic context. New Phytologist, 191: 288-300.
YAHR, R., Coppins, B.J. & Ellis, C.J. (2011) Preserved epiphytes as an archaeological resource in post-medieval vernacular buildings. Journal of Archaeological Science, 38: 1191-1198.
Menges, E.S., Pickertt R., Dolan, R.W., YAHR, R. & Gordon, D.R. (2010) Does current or past landscape structure predict genetic variation: an analysis using six Florida scrub endemic plants. International Journal of Ecology. Article ID 503759, 12 pages; doi:10.1155/2010/503759.
YAHR, R. (2010) Roundwood in roofs: archaeobotany in the attic. Thatcher’s Standard, 22: 10-11.
YAHR, R. & Ellis, C.J. (2010) Taxonomy as a Science for Scotland's Future. Research Briefing, Knowledge Scotland - web-link
YAHR, R. & Ellis, C.J. (2009) Historic lichen communities in Wiltshire. British Lichen Society Bulletin, 105: 10-17.
YAHR, R. & Ellis, C.J. (2009) Lichens in the attic. The Building Conservation Directory, 2009: 13-14.
Ellis, C.J., YAHR, R. & Coppins, B.J. (2009) Local extent of old-growth woodland modifies epiphyte response to climate change. Journal of Biogeography, 36: 302-313.
YAHR, R., Vilgalys, R. & DePreist, P.T. (2006) Geographic variation in algal partners of Cladonia subtenuis (Cladoniaceae) highlights the dynamic nature of the lichen symbiosis. New Phytologist, 171: 847-860.
YAHR, R. & DePriest, P.T. (2005) Ecology, life-history, and conservation of the endangered lichen Cladonia perforata. In: Krupnick, G. & Kress, J. (eds) Plant Conservation: A Natural History Approach: 97-102. The University of Chicago Press, Chicago.
Lendemer, J.C. & YAHR, R. (2005) Changes and additions to the checklist of North American lichens - II. Mycotaxon, 93: 277-281.
YAHR, R. Vilgalys, R. & DePriest, P.T. (2004) Strong fungal specificity and selectivity for algal symbionts in Florida scrub Cladonia lichens. Molecular Ecology, 13: 3367-3378.
Dolan, R.W., Menges, E.S. & YAHR, R. (2004) Genetic variation in Nolina brittoniana, a plant endemic to the central ridges of Florida. Southeastern Naturalist, 3: 25-36.
Lendemer, J.C. & YAHR, R. (2004) A checklist of the lichens collected during the Tuckerman Workshop # 12, Outer Banks, North Carolina, U.S.A. Evansia, 21-3: 247-256.
Menges, E.S., Dolan, R.W. & YAHR, R. (2001) Comparative genetics of seven plants endemic to Florida's Lake Wales Ridge. Castenea, 66: 98-114.
YAHR, R. (2000) Ecology and post-fire recovery of Cladonia perforata, an endangered Florida-scrub lichen. Forest, Snow and Landscape Research, 75: 339-356.
YAHR, R., Menges, E.S., & Berry, D.M. (2000) Effects of drainage, fire suppression, and time-since-fire on endemic cutthroat communities in Central Florida. Natural Areas Journal, 20: 3-11.
Dolan, R.W., YAHR, R., Menges, E.S., & Halfhill, M.D. (1999) Conservation implications of genetic variation in species endemic to Florida rosemary scrub. American Journal of Botany, 86: 1556-1562.
Menges, E.S., McIntyre, P.J., Finer, M.S., Goss, E. & YAHR, R. (1999) Microhabitat of the narrow Florida scrub endemic, Dicerandra christmanii, with comparisons to its congener D. frutescens. Journal of the Torrey Botanical Club, 126: 24-31.
> Major collaborations:
Lumbsch, H.T., Ahti, T., Altermann, S., Amo de Paz , G., Aptroot, A., Arup, U., Peña, A.B., Bawingan, P.A., Benatti, M.N., Betancourt, L., Björk, C.R., Boonpragob, K., Brand, M., Bungartz, F., Cáceres, M.E.S., Candan, M., Chaves, J.L., Clerc, P., Common, R., Coppins, B.J., Crespo, A., Dal-Forno, M., Divakar, P.K., Duya, M.V., Elix, J.A., Elvebakk, A., Fankhauser, J.D., Farkas, E., Ferraro, L.I., Fischer, E., Galloway, D.J., Gaya, E., Giralt, M., Goward, T., Grube, M., Hafellner, J., Hernández, J.E., Herrera-Campos, M.D.L., Kalb, K., Kärnefelt, I., Kantvilas, G., Killmann, D., Kirika, P., Knudsen, K., Komposch, H., Kondratyuk, S., Lawrey, J.D., Mangold, A., Marcelli, M.P., Mccune, B., Messuti, M.I., Michlig, A., González, R.M., Moncada, B., Naikatini, A., Nelsen, M.P., Øvstedal, D.O., Palice, Z., Papong, K., Parnmen, S., Pérez-Ortega, S., Printzen, C., Rico, V.J., Rivas-Plata, E., Robayo, J., Rosabal, D., Ruprecht, U., Allen, N.S., Sancho, L., De Jesus, L.S., Vieira, T.S., Schultz, M., Seaward, M.R.D., Sérusiaux, E., Schmitt, I., Sipman, H.J.M., Sohrabi, M., Søchting, U., Søgaard, M.Z., Sparrius, L.B., Spielmann, A., Spribille, T., Sutjaritturakan, J., Thammathaworn, A., Thell, A., Thor, G., Thüs, H., Timdal, E., Truong, C., Türk, R., Tenorio, L.U., Upreti, D.K., van den Boom, P., Rebuelta, M.V., Wedin, M., Will-Wolf, S., Wirth, V., Wirtz, N., YAHR, R., Yeshitela, K., Ziemmeck, F., Wheeler, T. & Lücking, R. (2011) One hundred new species of lichenized fungi: a signature of undiscovered global diversity. Phytotaxa, 18: 1–127.
Schoch, C. L., Sung, G-H., Lopez-Giraldez, F., Townsend, J. P., Miadlikowska, J., Hofstetter, V., Robbertse, B., Matheny, P. B., Kauff, F., Wang, Z., Gueidan, C., Andrie, R. M., Trippe, K., Ciufetti, L. M., Wynns, A., Fraker, E., Hodkinson, B. P., Bonito, G., Groenewald, J. Z., Arzanlou, M., Sybren De Hoog, G., Crous, P. W., Hewitt, D., Pfister, D. H., Peterson, K., Gryzenhout, M., Wingfield, M. J., Aptroot, A., Suh, S-O., Blackwell, M., Hillis, D. M., Griffith, G. W., Castlebury, L. A., Rossman, A. Y., Lumbsch, H. T., Lucking, R., Budel, B., Rauhut, A., Diederich, P., Ertz, D., Geiser, D. M., Hosaka, K., Inderbitzin, P., Kohlmeyer, J., Volkmann-Kohlmeyer, B., Mostert, L., O’Donnell, K., Sipman, H., Rogers, J. D., Shoemaker, R. A., Sugiyama, J., Summerbell, R. C., Untereiner, W., Johnston, P., Stenroos, S., Zuccaro, A., Dyer, P. S., Crittenden, P. D., Cole, M. S., Hansen, K., Trappe, J. M., YAHR, R., Lutzoni, F., & Spatafora J. W. (2009) The Ascomycota tree of life: A phylum-wide phylogeny clarifies the origin and evolution of fundamental reproductive and ecological traits. Systematic Biology, 58: 224-239.
James, T.Y., Kauff, F., Schoch, C., Matheny, P.B., Hofstetter, V., Cox, C.J., Celio, G., Gueidan, C., Fraker, E., Miadlikowska, J., Lumbsch, H. T., Raubut, A., Reeb, V., Arnold, A.E., Amtoft, A., Stajich, J.E., Hosaka, K., Sung, G-S., Johnson, D., O’Rourke, B., Crockett, M., Binder, M., Curtis, J.M., Slot, J.C., Wang, Z., Wilson, A.W., Schüßler, A., Porter, D., Letcher, P.M., Powell, M.J., Taylor, J.W., White, M.M., Griffith, G.W., Davies, D.R., Humber, R.A., Morton, J.B., Sugiyama, J., Rossman, A.Y., Rogers, J.D., Pfister, D.H, Hewitt, D., Hansen, K., Hambleton, S., Shoemaker, R.A., Kohlmeyer, J., Volkmann-Kohlmeyer, B, Spotts, R.A., Serdani, M., Cross, P.W., Hughes, K.W., Matsura, K., Langer, E., Langer, G., Untereiner, W.A., Lücking, R., Büdel, B., Geiser, D.M., Aptroot, A., Diederich, P., Schmitt, I., Schultz, M., YAHR, R., Hibbett, D.S., Lutzoni, F., McLaughlin, D.J., Spatafora, J.W. & Vilgalys, R. (2006) Reconstructing the early evolution of fungi using a six gene phylogeny. Nature, 443: 818-822.
Miadlikowska, J., Kauff, F., Hofstetter, V., Fraker, E., Reeb, V., Grube, M., Hafellner, J., Kukwa, M., Lücking, R., Hestmark, G., Garcia Otalora, M., Rauhut, A., Büdel, B., Scheidegger, C., Timdal, E., Stenroos, S., Brodo, I., Perlmutter, G.B., Ertz, D., Diederich, P., Lendemer, J.C., May, P., Spatafora, J.W., Schoch, C., Arnold, A.E., Hodkinson, B.P., Gueidan, C., Tripp, E., YAHR, R., Robertson, C. & Lutzoni, F. (2006) New insights into classification and evolution of the Lecanoromycetes (Pezizomycotina, Ascomycota) from phylogenetic analyses of three ribosomal RNA- and two protein-coding genes. Mycologia, 98: 1088-1103.
Lutzoni, F., Kauff, F., Cox, J. C., McLaughlin, D., Celio, G., Dentinger, B., Padamsee, M., Hibbett, D., James, T. Y., Baloch, E., Grube, M., Reeb, V., Hofstetter, V., Schoch, C., Arnold, A. E., Miadlikowska, J., Spatafora, J., Johnson, D., Hambleton, S., Crockett, M., Shoemaker, R., Sung, G.-H., Lücking, R., Lumbsch, T., O'Donnell, K., Binder, M., Diederich, P., Ertz, D., Gueidan, C., Hansen, K., Harris, R. C., Hosaka, K., Lim, Y.-W., Matheny, B., Nishida, H., Pfister, D., Rogers, J., Rossman, A., Schmitt, I., Sipman, H., Stone, J., Sugiyama, J., YAHR, R. & Vilgalys, R. (2004) Assembling the fungal tree of life: progress, classification, and evolution of subcellular traits. American Journal of Botany, 91: 1446-1480.
> Web-sites:
Menges, E.S., Weekley, C.W., YAHR, R., Brand, C. & Mundell, D. (2000) Plants of Archbold Biological Station, Highlands County, Florida. <http://www.archbold-station.org/abs/data/lists/plantsintro.htm>
YAHR, R. & Indoe, K. (1999) Graphidaceae of Central French Guiana. <http://www.nybg.org/bsci/french_guiana/graphidaceae.html>
> Conservation reports:
YAHR, R. (2006) Alectoria ochroleuca: monitoring core populations at Ciste Ridge, An t-Aonach, and Creagan Gorm. Joint Report for the RSPB and RBGE.
YAHR, R. (2006) Status survey of Cladonia botrytes in the Scottish Highlands. Joint Report for the RSPB and RBGE.
YAHR, R. (2002) Macrolichens at Cape St. George, Florida, with special emphasis on the endangered lichen Cladonia perforata. Report for the Apalachicola National Estuarine Research Reserve.
YAHR, R. (2001) In the wake of Hurricane Opal: experimental restoration of the endangered lichen Cladonia perforata at Eglin Air Force Base. Report to the United States Fish and Wildlife Service.
YAHR, R. (2000) Ecology and post-fire recovery of Cladonia perforata, an endangered Florida-scrub lichen. Report to United States Fish and Wildlife Service.
Menges, E. S., R. W. Dolan, R. W., YAHR, R., Gordon, D.R. Pickert, D.R., Weekley, C.W. (1999) Geographic correlates of isozyme variation in Nolina brittoniana. Report to Florida Division of Forestry.
YAHR, R. (1998) Species account for Cladonia perforata. In: Multi-species recovery plan for the threatened and endangered species of South Florida, Volume 1, The Species: 6-99–6-107. U.S. Fish and Wildlife Service, Technical Agency Draft; Vero Beach, Florida.
Menges, E.S., Dolan, R.W., Gordon, D.R., Evans, M.E.K. & YAHR, R. (1998) Demography, ecology, and preserve design for endemic plants of the Lake Wales Ridge, Florida. Report to the Nature Conservancy's Ecosystem Research Program.
Menges E. S. & YAHR, R. (1998) Final report on continued ecological monitoring and experimental research on four Florida scrub endemic plants. Florida Division of Forestry.
YAHR, R. (1997) Recolonization and reintroduction of Cladonia perforata Evans, an endangered lichen at Eglin Air Force Base, Florida. Report to Florida’s Division of Forestry.
Menges, E. S., Gordon, D. R., Dolan, R.W., Evans, M.E.K., YAHR, R. & Casado, C. (1996) Demography, breeding system, and genetics of Nolina brittoniana. Report to the Florida Division of Forestry.
Menges, E. S., YAHR, R. & Thomas, K. (1994) Monitoring report for Warea carteri at Tiger Creek Preserve. The Nature Conservancy, Florida.